Description
The Mauser MP-40 22 LR is a rimfire carbine modeled on one of the most recognizable firearms of the Second World War, built for Mauser and imported by Blue Line. This is Mauser model 4400009, UPC 713440971075: a semi-automatic 22 LR with a 16.3-inch black steel barrel, black steel receiver, underfolding stock and a 23-round magazine.

Mauser MP-40 22 LR Overview
Original wartime submachine guns are rare, expensive and heavily regulated. This semi-automatic carbine lets collectors, history buffs and reenactors enjoy the look and handling of the design legally and affordably. The extended barrel makes it a standard rifle under federal law, and the 22 LR chambering keeps every range trip inexpensive.
Faithful Wartime Styling
The tubular receiver, magazine well, bolt handle and folding stock follow the original lines closely. It looks right on a display wall or at a living-history event, yet it is built to be shot and enjoyed.

Underfolding Stock
The metal stock folds under the receiver for compact storage and transport, then locks open for a steady shoulder mount. With the stock open, the carbine is comfortable for shooters of most sizes.
23-Round Magazine
The long, straight magazine holds 23 rounds of 22 LR, so you can enjoy long strings of fire between reloads. Spare magazines make range days smoother.
Low-Cost Range Fun
Recoil is almost nonexistent and ammunition is cheap, so this carbine is a crowd-pleaser on the range. Steel targets and spinners make it even more fun for the whole family.
Teaching New Shooters
A light, quiet carbine with almost no recoil is an excellent teaching tool. Start at short range with large targets, focus on safe muzzle direction and finger discipline, and let new shooters build confidence before moving to longer distances. Short, fun sessions help the lessons stick, and the unique look tends to spark plenty of conversation about history along the way.
Range Day Checklist
Bring eye and ear protection, a few hundred rounds, a spare magazine if you have one, and a small rag and oil. Reactive steel plates, spinners and paper silhouettes all make for a fun afternoon. Keep an eye on barrel heat during long strings and give the gun a quick wipe-down before packing it away.
Optics and Accessories
The original-style sights are part of the appeal, so most owners leave the carbine as is. A padded case, a sling and a couple of spare magazines round out a great kit.
Choosing Ammunition
Semi-auto rimfires run best with quality high-velocity 36 to 40 grain round nose ammunition. Try a few brands to see what cycles and groups best, then stock up.
Collecting and Display
If the carbine will spend time on display, wipe it down with a lightly oiled cloth to protect the finish, store it unloaded, and keep the magazine separate. A locking wall rack or display case keeps it secure.
Cleaning and Maintenance
Clean the bolt, breech face and chamber every few hundred rounds, and keep a light coat of oil on the moving parts.
Safe Storage at Home
Store the carbine unloaded in a locked safe or cabinet with ammunition kept separately, and teach everyone in the household basic safety rules.
Specifications
- Manufacturer: Mauser (imported by Blue Line)
- Model: MP-40 22 LR (4400009)
- UPC: 713440971075
- Caliber: 22 LR
- Action: Semi-automatic, blowback
- Capacity: 23+1
- Barrel: 16.3 inches, black steel
- Receiver: Black steel
- Stock: Underfolding metal
Before You Buy
This is a semi-automatic rimfire carbine, not a machine gun. Magazine capacity limits and feature rules vary by state, so please check your local laws before ordering. All rifles ship to your local FFL dealer.
Who It Is For
The Mauser MP-40 22 LR is a great fit for collectors, history enthusiasts and reenactors, and anyone who wants an iconic look with affordable rimfire shooting.
Buy the Mauser MP-40 22 LR at MAG5 Firearms
MAG5 Firearms is a family-owned FFL in Collegeville, Pennsylvania. Order the Mauser MP-40 22 LR online and ship it to your local FFL dealer, or browse our full selection of firearms for more rifles. For factory details, visit Mauser.







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